Home / 2,708.46-4,063.99-1,321.04

Finding the Fourth Proportional to 2,708.46, 4,063.99 and 1,321.04

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Solution

The fourth proportional to 2,708.46, 4,063.99 and 1,321.04 is: 1,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.46 : 4,063.99 = 1,321.04 : x
  2. Step 2: Convert to fraction form
    2,708.46/4,063.99 = 1,321.04/x
  3. Step 3: Cross multiply
    2,708.46x = 4,063.99 × 1,321.04
  4. Step 4: Simplify right side
    2,708.46x = 5,368,666.42
  5. Step 5: Solve for x
    x = 5,368,666.42/2,708.46
  6. Step 6: Final answer
    x = 1,982.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.